Turkeys are harder to sex accurately when young. Sometimes you can make guesses based on weight. But usually it takes a few months before you can be certain of what you have. I haven't noticed a difference in them getting feathers, but there's a slight difference when they lose their head...
I have had chicks hop out of the nest and be close to death, I had one this spring, I thought was he was dead, but he's a fat healthy little rooster now. I'm hoping they do okay for you.
They will catch on, they need to be taught things where chicks run on instinct more, but it's also why turkeys are more interactive. Glad they are doing better.
They should sleep a lot, but they should also get up and stumble around occasionally. They are wobbly and clumsy initially and prone to falling over. It takes a few days for them to get stronger and to start to be able to control their legs.
You will have to repeatedly teach them to eat and...